The history of the development of particle accelerators is one of the classic examples of the scientific advances reached by modern science. From the simple accelerators of Lawrence and Cockroft-Walton grew huge laboratories whose work has resulted in many of the most important scientific discoveries of recent decades. The two existing accelerator lines today, one from the J. Cockroft and ETS Walton linear accelerator, resulted in today's huge linear accelerators called LINAC, the most cited example being Stanford three kilometers long. The other school led by EO Lawrence, who developed the cyclotron, resulted in magnetic confinement accelerators, whose modern version resulted in synorotrons aclopados to storage rings and collision between two particle beams.The history of the development of particle accelerators is one of the classic examples of the scientific advances reached by modern science. From the simple accelerators of Lawrence and Cockroft-Walton grew huge laboratories whose work has resulted in many of the most important scientific discoveries of recent decades. The two existing accelerator lines today, one from the J. Cockroft and ETS Walton linear accelerator, resulted in today's huge linear accelerators called LINAC, the most cited example being Stanford three kilometers long. The other school led by EO Lawrence, who developed the cyclotron, resulted in magnetic confinement accelerators, whose modern version resulted in synorotrons aclopados to storage rings and collision between two particle beams.